Common signs and symptoms of PCOS include the following: 1  Menstrual disorders: PCOS mostly produces oligomenorrhea (fewer than nine menstrual periods in a year) or amenorrhea (no menstrual periods for three or more consecutive months), but other types of menstrual disorders may also occur.
Environmental law is a law that was passed in the 1970, and is known as the National Environmental Policy Act. This law was passed along with another environmental act known as the Environmental Quality Improvement Act.The purpose of these laws was to protect the environment from public or private actions that could cause damage.nvironmental law is a combination of three things: the first is the statute that is passed through Congress.
The Air Pollution Control Act of 1955 (Pub.L. 84â159, ch. 360, 69 Stat. 322) was the first Clean Air Act (United States) enacted by Congress to address the national environmental problem of air pollution on July 14, 1955.This was an act to provide research and technical assistance relating to air pollution control.his additional legislation would provide grants to both local and state agencies. A replacement, the United States Clean Air Act (CAA), was enacted to substitute the Air Pollution Control Act of 1955.